Turn dial to dc voltage. Some digital multimeters (DMMs) also include dc millivolts. If uncertain of which to choose, start with dc voltage, which handles higher voltage. First insert the black probe into the COM jack. Steps for measuring dc voltage with
Reference:Digital Multimeter Principles by Glen A. Mazur, American Technical Publishers. Related resources How to measure ac voltage with a digital multimeter How to measure capacitance with a digital multimeter You might also be interested in
How to check AC Voltage with a multimeter Connect the red Test Lead to “VOhmsmA Jack” and the black lead to AC Current Circuit Symbol “COM” jack. Set the “Range Switch” to desired AC V position. Connect Test Leads to device, electronic component or circuit being measure...
Read the voltage on the display. Measuring AC Voltage Vital for household and industrial electrical systems. This test helps in diagnosing issues in home appliances, power tools, and HVAC systems, ensuring they receive the correct voltage. How to measure AC voltage: Set your multimeter to the AC...
measure voltage (AC or DC). Then touch the red positive probe on the multimeter to the positive terminal on the power source and the black negative probe on the multimeter to the negative terminal on the power source. If you were measuring a car battery, it should read about 12 volts DC...
Attach the voltmeter leads to the adapter. Turn the voltmeter and power strip on. Switch the adapter on, if equipped with a switch. Step 6 Read the voltmeter to determine the voltage put out by the AC adapter. Discard the adapter if the voltage indicated on the voltmeter does not correspon...
Test for voltage by first setting the dial to the appropriate AC or DC range for the expected voltage if your multimeter is not auto-ranging. Touch the black common probe to a grounded object and the red probe to the wire or device that you want to measure. The voltage will appear on ...
It's a must-have for any toolbox—but there's a learning curve involved. Learn how to use a multimeter for all of your electrical testing needs.
off the power of the equipment, remove the casing and you will see a fuse usually located in the Ac input area or power supply section. Measure the fuse with a either an analog or a digital multimeter. If you use an analog meter then select the lowest ohms range which is the x1 ohms...
How to measure voltage with a tester - choose the voltage (unit "V") parameter, then insert the test leads (black and red). Connect to a circuit and read the value.